The accompanying data table lists measured voltage amounts supplied directly to a familys home. the power supply company states that it has a target power supply of 120 volts. using the home voltage amounts, test the claim that the mean mean is 120 volts. use a 0.05 significance level

An assembly consists of two mechanical components. suppose that the probabilities that the first and second components meet specifications are 0.87 and 0.84. assume that the components are independent. determine the probability mass function of the number of components in the assembly that meet specifications. x

What is the range of the relation in the table below? x y –2 0 –1 2 0 4 1 2 2 0

Aflower has 26 chromosomes. to create a new flower, how many chromosomes would a sperm cell have? what is this process called? part 2: within a flower cell that has 26 chromosomes, how many chromosomes would a cell that is created within the stem of a flower as it grows, have? what is this process called?